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12th Class Physics Magnetism Question Bank MCQ - Moving Charges and Magnetism

  • question_answer
    In a moving coil galvanometer, the magnetic pole pieces are made cylindrical and a soft iron core is placed at the centre of the coil, the purpose for doing so is:

    A) to make the magnetic field strong

    B) to make the magnetic field strong and radial

    C) to make the magnetic field uniform

    D) to make the magnetic field strong and uniform

    Correct Answer: B

    Solution :

    (b) to make the magnetic field strong and radial.


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